(Bloomberg) -- Moody’s Investors Service placed First Republic Bank and five other US lenders on review for downgrade, the latest sign of concern over the health of regional financial firms following the collapse of Silicon Valley Bank.Most Read from BloombergCredit Suisse Finds ‘Material’ Control Lapses After SEC PromptBonds Rocket, Stocks Steady as Fed Rate Path Eyed: Markets WrapBillionaire Charles Schwab’s Fortune Is Slammed by SVB FalloutGlobal Banking Stocks Hold Steady After $465 Billion